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Astigmatism can be corrected by using...

Astigmatism can be corrected by using

A

Prismatic lens

B

Concave lens

C

Cylindrical lens

D

Convex lens

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISE
  1. For a plano convex lens, the radius of curvature of convex surface is ...

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  2. A lens made of material of Refractive index mu(2) is surrounded by a m...

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  3. A light ray is incident normally on one of the refracting faces of a p...

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  4. If a light ray incidents normally on one of the faces of the prism of ...

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  5. A ray of light is incident on one of the faces of the angle prism with...

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  6. A prism of refractive index sqrt2 has refractive angle 60^@. In the or...

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  7. The least angle of deviation for a glass prism is equal to its refract...

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  8. A light ray of angles of incidence 40^(@) emerged from the prism in mi...

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  9. The angle of minimum deviation for a 75^(@) prism of dense glass is fo...

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  10. Suppose a small angled prism of 6^(@) deviates a ray through 3^(@), th...

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  11. For a given prism thetaanddelta are angular dispersion and deviation. ...

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  12. If a is the size of scatterer and lamda is the wavelength of light the...

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  13. Which of the following colour is scattered most is atmosphere?

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  14. Astigmatism can be corrected by using

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  15. Lateral magnification of objective of compound microscope is 100 and a...

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  16. Focal length of objective eye piece and inverting lens of a terrestria...

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  17. Advantages of cassegrain telescope is/are

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  18. A simple telescope consisting of an objective of focal length 60 cm an...

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  19. A telescope has an objective lens of focal length 200cm and an eye pie...

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  20. Which of the following is not involved in Rainbow formation?

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